Simple solution for inboard engine flushing, winterizing, or any time you need to run an inboard engine out of water. Just hook up a standard garden hose, adjust the height of the handle, place the rubber cup over the water intake screen on the bottom of the hull, turn on the hose, and start the engine. Adjustable in height from 17" to 28". Works on all boats without trailer obstructions. Made of high quality aluminum, heavy-duty rubber, and PVC.